Climate Change Facts

Top 10 Climate Facts and the effects of technology on the climate

(c) Crown copyright 2009, the Met Office
1. The world’s ten warmest years have occured since 1995.
2. Over the last 100 years, the global mean temperature has risen by more than 0.7 degree celsius.
3. Since 1960, the mean temperature in central England has risen by around 1 degree celsius.
4. During the European heatwave of August 2003 there were around 35,000 deaths due to the extreme heat.
5. 20-30% of assessed species are likely to be at increased risk of extinction if the global mean temperature rises 1.5-2.5 degree celsius above 1990 levels.
6. By the 2020s it is estimated that 75-250 million people in Africa will experience increased water shortages due to climate change.
7. Arctic summer sea-ice cover has shrunk by around 1/5 over the last 30 years.
8. According to Oxfam there could be over 150 million environmental refugees by 2050, largely due to climate change.
9. Sea levels around the UK have risen by about 10cm since 1900 and the rise in recent decades has been faster than previously observed.
10. Floods in the UK during 2007 caused damage estimated at £3 billion. As our climate changes, heavy rainfall events are expected more often in the UK.

I’ve listed the above because these are actual climate change facts. The main contributor to the increased Greenhouse gases is Carbon Dioxide. In the last century, evidence shows that about half of the Carbon Dioxide caused by human activity is still in the atmosphere.

The global Information and Communication Technology (ICT) industry currently accounts for about 2% of global emissions of carbon dioxide (CO2), according to estimates by Gartner , a leading information technology research and advisory company. With computers and the internet being rapidly used in the world, it will double the industry’s CO2 emissions by 2020. As technology is being increasingly used in offices and homes, we need to look at technologies which will save energy and help reduce global CO2 emissions soon. The earlier action is taken, the more effective it will be. By ignoring it, it will eventually damage economic growth, but by planning now, it could mean profits later.

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